Why don't you try to watch a Sendung while sitting at your computer one day. If you find something that you want to share, remember that it should be something that you are comfortable watching with Oma und Opa. Here are some links to some kiddie shows, but you don't need to limit yourself there. Remember how to get to Deutschland's major networks - Ard, Zdf und Rtl.
1,2 oder 3
Sendung mit der Maus